GB2186463B - Image reading apparatus - Google Patents

Image reading apparatus

Info

Publication number
GB2186463B
GB2186463B GB8701700A GB8701700A GB2186463B GB 2186463 B GB2186463 B GB 2186463B GB 8701700 A GB8701700 A GB 8701700A GB 8701700 A GB8701700 A GB 8701700A GB 2186463 B GB2186463 B GB 2186463B
Authority
GB
United Kingdom
Prior art keywords
image reading
reading apparatus
image
reading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8701700A
Other languages
English (en)
Other versions
GB2186463A (en
GB8701700D0 (en
Inventor
Hirofumi Iwamoto
Tatsundo Kawai
Makoto Ogura
Katsumi Nakagawa
Shinichi Seitoh
Noriyuki Kaifu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB8701700D0 publication Critical patent/GB8701700D0/en
Publication of GB2186463A publication Critical patent/GB2186463A/en
Application granted granted Critical
Publication of GB2186463B publication Critical patent/GB2186463B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/02865—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using an array of light sources or a combination of such arrays, e.g. an LED bar
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
GB8701700A 1986-01-27 1987-01-27 Image reading apparatus Expired GB2186463B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61013789A JPS62172859A (ja) 1986-01-27 1986-01-27 画像読取り装置

Publications (3)

Publication Number Publication Date
GB8701700D0 GB8701700D0 (en) 1987-03-04
GB2186463A GB2186463A (en) 1987-08-12
GB2186463B true GB2186463B (en) 1989-12-20

Family

ID=11843014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8701700A Expired GB2186463B (en) 1986-01-27 1987-01-27 Image reading apparatus

Country Status (5)

Country Link
US (1) US4926058A (enrdf_load_stackoverflow)
JP (1) JPS62172859A (enrdf_load_stackoverflow)
DE (1) DE3702208A1 (enrdf_load_stackoverflow)
FR (1) FR2593614B1 (enrdf_load_stackoverflow)
GB (1) GB2186463B (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197063A (ja) * 1984-03-21 1985-10-05 Canon Inc Ｌｅｄアレイ及びその分割点灯方法
GB2228366B (en) * 1989-02-21 1993-09-29 Canon Kk Photoelectric converter and image reading apparatus mounting the same
JP2991354B2 (ja) * 1990-11-07 1999-12-20 キヤノン株式会社 画像読取装置およびそれを備えた画像情報処理装置
US5812109A (en) * 1994-08-23 1998-09-22 Canon Kabushiki Kaisha Image input/output apparatus
JP3565453B2 (ja) 1994-08-23 2004-09-15 キヤノン株式会社 画像入出力装置
US5880852A (en) * 1995-05-23 1999-03-09 Canon Kabushiki Kaisha Reading unit and recording apparatus on which the reading unit is mountable
EP0744299B1 (en) * 1995-05-26 2003-03-12 Canon Kabushiki Kaisha Reading unit and recording apparatus capable of mounting such reading unit thereon
US6448561B1 (en) 1996-02-26 2002-09-10 Canon Kabushiki Kaisha Photoelectric conversion apparatus and driving method of the apparatus
US6127684A (en) * 1996-02-26 2000-10-03 Canon Kabushiki Kaisha Photoelectric conversion apparatus and driving method of the apparatus
JPH1098581A (ja) * 1996-08-02 1998-04-14 Canon Inc 画像読取装置及び画像読取システム
JPH1097612A (ja) 1996-08-02 1998-04-14 Canon Inc 画像読取装置及び画像読取システム
JP4100739B2 (ja) * 1996-10-24 2008-06-11 キヤノン株式会社 光電変換装置
JP3847889B2 (ja) 1997-04-08 2006-11-22 キヤノン株式会社 光電変換装置
JP3805100B2 (ja) 1997-04-10 2006-08-02 キヤノン株式会社 光電変換装置
JPH11136439A (ja) * 1997-10-29 1999-05-21 Canon Inc イメージセンサ及び、それを用いた情報処理装置
JP3636579B2 (ja) 1997-11-04 2005-04-06 キヤノン株式会社 光電変換装置、光電変換装置の駆動方法及びその光電変換装置を有するシステム
EP1624667A2 (en) 1998-12-24 2006-02-08 Canon Kabushiki Kaisha Illumination apparatus using light guide
JP4181703B2 (ja) * 1999-09-02 2008-11-19 キヤノン株式会社 光電変換装置
GB2356996A (en) * 1999-12-03 2001-06-06 Hewlett Packard Co Improvements to digital cameras
JP3467013B2 (ja) 1999-12-06 2003-11-17 キヤノン株式会社 固体撮像装置
US6965408B2 (en) * 2000-02-28 2005-11-15 Canon Kabushiki Kaisha Solid-state image pickup device having a photoelectric conversion unit and a punch-through current suppression circuit
US6960817B2 (en) 2000-04-21 2005-11-01 Canon Kabushiki Kaisha Solid-state imaging device
JP3984808B2 (ja) 2000-09-07 2007-10-03 キヤノン株式会社 信号処理装置及びそれを用いた撮像装置並びに放射線撮像システム
GB2372391A (en) * 2001-02-16 2002-08-21 Hewlett Packard Co Removal of specular reflection
JP4144892B2 (ja) * 2006-08-28 2008-09-03 キヤノン株式会社 光電変換装置及び撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1217177A (en) * 1967-04-13 1970-12-31 Nippon Electric Co Improvements in or relating to photoelectric scanning and conversion circuits
EP0068860B1 (en) * 1981-06-26 1986-02-12 Fujitsu Limited Optical reader
JPS5856874A (ja) * 1981-09-30 1983-04-04 Sharp Corp 感熱記録装置
US4424523A (en) * 1982-07-02 1984-01-03 Xerox Corporation Read/write bar for multi-mode reproduction machine
US4639608A (en) * 1983-05-18 1987-01-27 Canon Kabushiki Kaisha Image read-out apparatus with light source driving means
JPS60214154A (ja) * 1984-04-09 1985-10-26 Sharp Corp 画像読取装置

Also Published As

Publication number Publication date
US4926058A (en) 1990-05-15
FR2593614B1 (fr) 1993-11-05
JPS62172859A (ja) 1987-07-29
GB2186463A (en) 1987-08-12
DE3702208C2 (enrdf_load_stackoverflow) 1992-04-09
GB8701700D0 (en) 1987-03-04
FR2593614A1 (fr) 1987-07-31
DE3702208A1 (de) 1987-07-30

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070126